133902284 has 6 divisors (see below), whose sum is σ = 234329004. Its totient is φ = 66951140.

The previous prime is 133902271. The next prime is 133902289. The reversal of 133902284 is 482209331.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 133902284.

It is not an unprimeable number, because it can be changed into a prime (133902289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16737782 + ... + 16737789.

It is an arithmetic number, because the mean of its divisors is an integer number (39054834).

Almost surely, 2^133902284 is an apocalyptic number.

It is an amenable number.

133902284 is a deficient number, since it is larger than the sum of its proper divisors (100426720).

133902284 is a wasteful number, since it uses less digits than its factorization.

133902284 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33475575 (or 33475573 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 133902284 is about 11571.6154446992. The cubic root of 133902284 is about 511.5985775677.

The spelling of 133902284 in words is "one hundred thirty-three million, nine hundred two thousand, two hundred eighty-four".